* {
  padding: 0;
  margin:0;
}

.vh-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.v-center {
  display: flex;
  flex-direction: column;
  justify-items: center;
  align-items: center;
}
.h-center {
  display: flex;
  justify-content: center;
}

.page {
  box-sizing: border-box;
  min-height:100vh;
  min-width: 100vw;
  position: relative;
  padding-bottom:80px;
}
li {
  list-style-type: none;
}
code {
  white-space: pre;
}